I need help on these ASAP. Sorry if this is annoying or whatever I just need help, okay?

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4